added TDD configuration information to F1-Setup-Request based on the...

added TDD configuration information to F1-Setup-Request based on the configuration file contents.. Corrected some bugs in F1AP encoding for TDD.

openair2/F1AP/f1ap_du_interface_management.c

@@ -40,6 +40,15 @@
 extern f1ap_setup_req_t *f1ap_du_data;
 extern RAN_CONTEXT_t RC;
 
+int nrb_lut[29] = {11, 18, 24, 25, 31, 32, 38, 51, 52, 65, 66, 78, 79, 93, 106, 107, 121, 132, 133, 135, 160, 162, 189, 216, 217, 245, 264, 270, 273};
+
+int to_NRNRB(int nrb) {
+
+  for (int i=0;i<29;i++) if (nrb_lut[i] == nrb) return i;
+  AssertFatal(1==0,"nrb %d is not in the list of possible NRNRB\n");
+
+}
+
 int DU_handle_RESET(instance_t instance,
                                 uint32_t assoc_id,
                                 uint32_t stream,
@@ -299,10 +308,10 @@ int DU_send_F1_SETUP_REQUEST(instance_t instance) {
 
           /* FDD.3 UL Transmission Bandwidth */
           fDD_Info->uL_Transmission_Bandwidth.nRSCS = f1ap_du_data->nr_mode_info[i].fdd.ul_scs;
-          fDD_Info->uL_Transmission_Bandwidth.nRNRB = f1ap_du_data->nr_mode_info[i].fdd.ul_nrb;
+          fDD_Info->uL_Transmission_Bandwidth.nRNRB = to_NRNRB(f1ap_du_data->nr_mode_info[i].fdd.ul_nrb);
           /* FDD.4 DL Transmission Bandwidth */
           fDD_Info->dL_Transmission_Bandwidth.nRSCS = f1ap_du_data->nr_mode_info[i].fdd.dl_scs;
-          fDD_Info->dL_Transmission_Bandwidth.nRNRB = f1ap_du_data->nr_mode_info[i].fdd.dl_nrb;
+          fDD_Info->dL_Transmission_Bandwidth.nRNRB = to_NRNRB(f1ap_du_data->nr_mode_info[i].fdd.dl_nrb);
           
           nR_Mode_Info.choice.fDD = fDD_Info;
         } else { // TDD
@@ -353,7 +362,7 @@ int DU_send_F1_SETUP_REQUEST(instance_t instance) {
 
           /* TDD.2 transmission_Bandwidth */
           tDD_Info->transmission_Bandwidth.nRSCS = f1ap_du_data->nr_mode_info[i].tdd.scs;
-          tDD_Info->transmission_Bandwidth.nRNRB = f1ap_du_data->nr_mode_info[i].tdd.nrb;
+          tDD_Info->transmission_Bandwidth.nRNRB = to_NRNRB(f1ap_du_data->nr_mode_info[i].tdd.nrb);
      
           nR_Mode_Info.choice.tDD = tDD_Info;
         } // if nR_Mode_Info

openair2/F1AP/f1ap_encoder.c

@@ -33,7 +33,7 @@
 #include "f1ap_common.h"
 #include "f1ap_encoder.h"
 
-int asn1_encoder_xer_print = 0;
+int asn1_encoder_xer_print = 1;
 
 /*
 static inline int f1ap_encode_initiating(f1ap_message *message,

openair2/GNB_APP/gnb_config.c

@@ -1483,19 +1483,18 @@ int RCconfig_NR_DU_F1(MessageDef *msg_p, uint32_t i) {
         rrc->configuration.mnc[0] = F1AP_SETUP_REQ (msg_p).mnc[k];
         rrc->configuration.tac    = F1AP_SETUP_REQ (msg_p).tac[k];
         rrc->nr_cellid = F1AP_SETUP_REQ (msg_p).nr_cellid[k];
-        // F1AP_SETUP_REQ (msg_p).nr_pci[k]    = rrc->carrier.physCellId;
-        F1AP_SETUP_REQ (msg_p).nr_pci[k]    = 0;
+        F1AP_SETUP_REQ (msg_p).nr_pci[k]    = *rrc->configuration.scc->physCellId;
         F1AP_SETUP_REQ (msg_p).num_ssi[k] = 0;
 
-        if (0) {
+        if (rrc->configuration.scc->tdd_UL_DL_ConfigurationCommon) {
           LOG_I(GNB_APP,"ngran_DU: Configuring Cell %d for TDD\n",k);
           F1AP_SETUP_REQ (msg_p).fdd_flag = 0;
-          F1AP_SETUP_REQ (msg_p).nr_mode_info[k].tdd.nr_arfcn = 26200UL;
-          F1AP_SETUP_REQ (msg_p).nr_mode_info[k].tdd.scs = 0;
-          F1AP_SETUP_REQ (msg_p).nr_mode_info[k].tdd.nrb = 0;
+          F1AP_SETUP_REQ (msg_p).nr_mode_info[k].tdd.nr_arfcn = rrc->configuration.scc->downlinkConfigCommon->frequencyInfoDL->absoluteFrequencyPointA;
+          F1AP_SETUP_REQ (msg_p).nr_mode_info[k].tdd.scs = rrc->configuration.scc->downlinkConfigCommon->frequencyInfoDL->scs_SpecificCarrierList.list.array[0]->subcarrierSpacing;
+          F1AP_SETUP_REQ (msg_p).nr_mode_info[k].tdd.nrb = rrc->configuration.scc->downlinkConfigCommon->frequencyInfoDL->scs_SpecificCarrierList.list.array[0]->carrierBandwidth;
           F1AP_SETUP_REQ (msg_p).nr_mode_info[k].tdd.num_frequency_bands = 1;
-          F1AP_SETUP_REQ (msg_p).nr_mode_info[k].tdd.nr_band[0] = 1;
-          F1AP_SETUP_REQ (msg_p).nr_mode_info[k].fdd.sul_active = 0;
+          F1AP_SETUP_REQ (msg_p).nr_mode_info[k].tdd.nr_band[0] = *rrc->configuration.scc->downlinkConfigCommon->frequencyInfoDL->frequencyBandList.list.array[0];
+          F1AP_SETUP_REQ (msg_p).nr_mode_info[k].tdd.sul_active              = 0;
         } else {
           /***************** for test *****************/
           LOG_I(GNB_APP,"ngran_DU: Configuring Cell %d for FDD\n",k);